<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>sign_in</title>
</head>
<body>
  <div class="container">
     <form action="/login" method="post">
         <input type="text" name="username" placeholder="Please enter your username" />
         <input type="password" name="password" placeholder="Please enter your username" />
         <input type="button" name="submit">
     </form>
  </div>
</body>
</html>